Wooster, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wooster, a community in Kosciusko County, Indiana.
Tonight
66°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 66. Southeast wind around 0 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Wooster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 66°F | Chance Showers And Thunderstorms | 0 mph | 76% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 0 to 10 mph N | 71% |
| Sunday Night | 53°F | Chance Showers And Thunderstorms | 10 mph NE | 47% |
| Monday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Monday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 29% |
| Tuesday | 65°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Tuesday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Wednesday | 65°F | Chance Rain Showers | 10 mph NE | 33% |
| Wednesday Night | 52°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 32% |
| Thursday | 68°F | Mostly Cloudy | 5 mph NE | 8% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph NE | 8% |
| Friday | 71°F | Partly Sunny | 0 to 5 mph NE | 8% |
| Friday Night | 51°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Saturday | 73°F | Mostly Sunny | 0 to 5 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Wooster (41.207, -85.738). Updated through the day.
Growing snapshot for Wooster
Last spring frost
Apr 28
First fall frost
Oct 18
Growing season
170 days
Hardiness zone
6a
More local growing data for Wooster: nearby ZIP 46562 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Warsaw, In (10.2 mi from Wooster). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.